Configuring a Destination Profile for GRE Tunnels

To configure a destination profile for dynamic GRE tunnels:

1. Configure a destination profile for GRE.

   host1(config-dest-profile)#gre destination profile kanata1 virtual-router vr1

2. Set the source address for the tunnel.

   host1(config-dest-profile)#tunnel source 1.1.1.1

3. Set the destination address for the tunnel.

   host1(config-dest-profile)#tunnel destination subnet 10.0.0.0 255.0.0.0

4. (Optional) Set the maximum transmission unit (MTU) size for the tunnel.

   host1(config-dest-profile)#tunnel mtu 10240

5. (Optional) Configure an IP profile with parameters that are used to stack an upper IP interface over a dynamic GRE tunnel.

   host1(config-dest-profile)#profile ip-kanata

6. (Optional) Enable error checking across a GRE tunnel.

   host1(config-dest-profile)#tunnel checksum

7. (Optional) Enable sequence number generation for a GRE tunnel.

   host1(config-dest-profile)#tunnel sequence-datagrams

8. (Optional) Enable IPSec transport mode.

   host1(config-dest-profile)#enable ipsec-transport

9. (Optional) Create a multicast VPN tunnel.

   host1(config-dest-profile)#tunnel mdt profile kanata-mdt

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